﻿using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApp2
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine("请输入1-100的整数");
            int num = int.Parse(Console.ReadLine());
            if(num<0 || num > 100)
            {
                num = 0;
            }
            switch (num /10)
            {
                case 10:
                case 9:
                    Console.WriteLine("恭喜，终于突破的你");
                    break;
                case 8:
                case 7:
                    Console.WriteLine("恭喜，成绩不错");
                    break;
                case 6:
                    Console.WriteLine("还好还好，及格了");
                    break;
                default:
                    Console.WriteLine("努努力，下次就及格了");
                    break;
                        



            }
        }
    }
}
